homeostasis pathway mitochondria homeostasis pathway 2015-09-24T13:29:28Z PW:0001959 The various pathways and mechanisms that assure the proper function and abundance of mitochondria within cells. In addition to being the powerhouse of the cell as the place of oxidative phosphorylation, mitochondria are also the site of other important metabolic pathways and play essential roles in calcium storage and signaling and apoptosis, among others. pathway vpetri